#!/usr/bin/env python3
# -*- coding:utf-8 -*-
###
# File: hello.py
# -----
# Description: 
# -----
# Created  By: Aim 2020-01-31 17:47:26
# Modified By: Aim 2020-01-31 17:51:41
# -----
# HISTORY:
# Date      	By	Comments
# ----------	---	----------------------------------------------------------
###

'a test module'

__author__ = 'Aim'

import sys

def test():
    args = sys.argv
    if len(args) == 1:
        print('Hello, world!')
    elif len(args) == 2:
        print('Hello, %s!' % args[1])
    else:
        print('Too many arguments')

if __name__ == '__main__':
    test()